Sangam: A Confluence of Knowledge Streams

Measurements of spin correlation in top-antitop quark events from proton-proton collisions at √s = 7 TeV using the ATLAS detector

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dc.contributor Massachusetts Institute of Technology. Department of Physics
dc.contributor Taylor, Frank E.
dc.creator Taylor, Frank E.
dc.date 2015-03-11T16:25:27Z
dc.date 2015-03-11T16:25:27Z
dc.date 2014-12
dc.date 2014-07
dc.date.accessioned 2023-03-01T18:11:49Z
dc.date.available 2023-03-01T18:11:49Z
dc.identifier 1550-7998
dc.identifier 1550-2368
dc.identifier http://hdl.handle.net/1721.1/95948
dc.identifier Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, et al. “Measurements of Spin Correlation in Top-Antitop Quark Events from Proton-Proton Collisions at √s = 7 TeV Using the ATLAS Detector.” Phys. Rev. D 90, no. 11 (December 2014).
dc.identifier https://orcid.org/0000-0002-7586-7253
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/279114
dc.description Measurements of spin correlation in top quark pair production are presented using data collected with the ATLAS detector at the LHC with proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 4.6  fb[superscript −1]. Events are selected in final states with two charged leptons and at least two jets and in final states with one charged lepton and at least four jets. Four different observables sensitive to different properties of the top quark pair production mechanism are used to extract the correlation between the top and antitop quark spins. Some of these observables are measured for the first time. The measurements are in good agreement with the Standard Model prediction at next-to-leading-order accuracy.
dc.description United States. Dept. of Energy
dc.description National Science Foundation (U.S.)
dc.description European Organization for Nuclear Research
dc.description Brookhaven National Laboratory
dc.format application/pdf
dc.language en_US
dc.publisher American Physical Society
dc.relation http://dx.doi.org/10.1103/PhysRevD.90.112016
dc.relation Physical Review D
dc.rights Creative Commons Attribution
dc.rights http://creativecommons.org/licenses/by/3.0/
dc.source APS
dc.title Measurements of spin correlation in top-antitop quark events from proton-proton collisions at √s = 7 TeV using the ATLAS detector
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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